Light bar



FIG. 1 is a front view of the light bar showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top right perspective view thereof.

In the drawings, the broken line showing of light modules, bottom legs, and feet depict environmental subject matter and forms no part of the claimed design. 

The ornamental design for a light bar, substantially as shown and described. 